CVE-2026-86823

The Newsletter WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthenticated attackers to redirect users to arbitrary external sites and to disclose a subscriber token that grants access to that subscriber record's front-end actions.

Score

CVSS 3.1 5.3 Medium

Status

Deferred - contact@wpscan.com

Published

2026-09-16

Last modified

2026-09-17

Weaknesses

CWE-601

Affected products

• Newsletter (Unknown)

References

• https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/